1/* sort -k2,2n */ 2RTPROT_UNSPEC 0 3RTPROT_REDIRECT 1 4RTPROT_KERNEL 2 5RTPROT_BOOT 3 6RTPROT_STATIC 4 7RTPROT_GATED 8 8RTPROT_RA 9 9RTPROT_MRT 10 10RTPROT_ZEBRA 11 11RTPROT_BIRD 12 12RTPROT_DNROUTED 13 13RTPROT_XORP 14 14RTPROT_NTK 15 15RTPROT_DHCP 16 16RTPROT_MROUTED 17 17RTPROT_BABEL 42 18RTPROT_BGP 186 19RTPROT_ISIS 187 20RTPROT_OSPF 188 21RTPROT_RIP 189 22RTPROT_EIGRP 192 23